/*
 * Copyright (C) 2011 Benoit GUEROUT <bguerout at gmail dot com> and Yves AMSELLEM <amsellem dot yves at gmail dot com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.kerbores.jongo;

import static org.junit.Assume.assumeTrue;

import java.net.UnknownHostException;

import com.kerbores.jongo.marshall.nutz.NutzMapper;
import com.kerbores.jongo.marshall.nutz.NutzMarshallerEngine;
import com.mongodb.CommandResult;
import com.mongodb.DB;

public abstract class JongoTestCase {

	private Jongo jongo;
	private Mapper mapper;

	public JongoTestCase() {
		this(NutzMapper.create(new NutzMarshallerEngine()));
	}

	@SuppressWarnings("deprecation")
	protected JongoTestCase(Mapper mapper) {
		this.mapper = mapper;
		this.jongo = new Jongo(Jongo.client().getDB(""), mapper);
	}

	protected MongoCollection createEmptyCollection(String collectionName) throws UnknownHostException {
		MongoCollection col = jongo.getCollection(collectionName);
		col.drop();
		return col;
	}

	protected void dropCollection(String collectionName) throws UnknownHostException {
		getDatabase().getCollection(collectionName).drop();
	}

	protected DB getDatabase() throws UnknownHostException {
		return jongo.getDatabase();
	}

	protected Jongo getJongo() {
		return jongo;
	}

	protected Mapper getMapper() {
		return mapper;
	}

	protected void assumeThatMongoVersionIsGreaterThan(String expectedVersion) throws UnknownHostException {
		int expectedVersionAsInt = Integer.valueOf(expectedVersion.replaceAll("\\.", ""));
		CommandResult buildInfo = getDatabase().command("buildInfo");
		String version = (String) buildInfo.get("version");
		int currentVersion = Integer.valueOf(version.replaceAll("\\.", ""));
		assumeTrue(currentVersion >= expectedVersionAsInt);
	}

}
